To Grip Edit a Viewport Border

1. In the drawing area, right-click and select Edit View.
2. Select the view to edit.
3. In the Edit Drawing View dialog box, clear the Parametric Border Sizing check box.
4. Click OK.
5. Click any part of the viewport border. The border highlights and square “grips" are displayed at the corners of the border.
6. Select any grip and move the mouse to enlarge or decrease the view area.
7. When the viewport border is the desired size, click once.